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Differences between spray foam closed cell and open cell foam.

Choosing the Right Type of Spray Foam Insulation

Understanding Spray Foam Insulation

Spray foam insulation is a polyurethane-based product that is applied as a liquid and expands to fill gaps, cracks, and cavities, creating a seamless air barrier. This insulation type offers excellent thermal resistance, air sealing, and moisture control, making it an ideal choice for Houston’s humid climate.

This type of insulation has become increasingly popular among Houston homeowners due to its superior insulating properties and versatility. As the leading insulation experts in the greater Houston area, EZ Attic Insulation specializes in spray foam installations, helping residents create more comfortable, energy-efficient homes.

In this blog post, we’ll discuss the two main types of spray foam insulation – open-cell and closed-cell – and help you determine which one is best suited for your home.

Open-Cell vs. Closed-Cell Spray Foam

Open-Cell Spray Foam

This is a light, spongy material that expands to fill spaces and create an effective air barrier. Its key characteristics include:

  • Lower density (0.5 pounds per cubic foot)
  • R-value of 3.6 to 3.8 per inch
  • Allows for moisture permeability
  • Sound-dampening properties
  • Cost-effective option

Open-Cell Pros

  • Excellent at reducing air infiltration
  • Provides good thermal insulation
  • Helps reduce noise transmission
  • More affordable than closed-cell spray foam

Open-Cell Cons

  • Not as effective at moisture control as closed-cell spray foam
  • Lower R-value per inch compared to closed-cell spray foam
a EZ Attic Worker installing spray foam insulation in a new construction home
Open Spray Foam can be identified by its cloud-like texture.

Closed-Cell Spray Foam

This type is a denser, more rigid material that offers superior insulation and moisture control properties. Its key characteristics include:

  • Higher density (1.7 to 2.0 pounds per cubic foot)
  • R-value of 6.0 to 7.0 per inch
  • Moisture barrier properties
  • Adds structural strength to walls and roofs
  • Higher cost compared to open-cell spray foam

Closed-Cell Pros

  • Excellent thermal insulation properties
  • Provides a moisture barrier, making it ideal for humid climates
  • Increases structural integrity of the building
  • Offers the highest R-value per inch of any insulation type

Closed-Cell Cons

  • More expensive than open-cell spray foam
  • Requires precise application by experienced professionals
EZ Attic Insulation Expert actively installing new spray foam installation into a Houston attic.
Closed Cell Spray Foam can be identified by its harder, rock like, surface.

The Superiority of Spray Foam Insulation in Houston's Climate

Houston’s hot and humid climate can take a toll on your home’s comfort and energy efficiency. Spray foam insulation outperforms other insulation types, such as fiberglass and cellulose, in these conditions due to its ability to create an airtight seal and prevent moisture infiltration. By choosing spray foam insulation, you can:

  • Reduce energy costs by minimizing air leaks and thermal transfer
  • Prevent mold and mildew growth by controlling moisture
  • Improve indoor air quality by sealing out pollutants and allergens
  • Enhance comfort by maintaining consistent temperatures throughout your home

Trust EZ Attic Insulation for Your Spray Foam Needs

At EZ Attic Insulation, our experienced professionals are dedicated to helping you choose the best spray foam insulation type for your home. We understand the unique challenges posed by Houston’s climate and can recommend the most effective solution to maximize your home’s comfort, energy efficiency, and overall well-being.

Don’t let the summer heat and humidity compromise your home’s comfort. Contact EZ Attic Insulation today to schedule a consultation and learn more about how spray foam insulation can transform your home. Our Energy Efficient Specialist will provide you with detailed information, pricing, and a customized plan to ensure your home is ready to face the Houston summer with ease.

Choose the Right Spray Foam for Your Home

Learn from the Experts which insulation will serve your home best!